Home / 76,089.47-114,158.51-36,650.57

Finding the Fourth Proportional to 76,089.47, 114,158.51 and 36,650.57

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Solution

The fourth proportional to 76,089.47, 114,158.51 and 36,650.57 is: 54,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,089.47 : 114,158.51 = 36,650.57 : x
  2. Step 2: Convert to fraction form
    76,089.47/114,158.51 = 36,650.57/x
  3. Step 3: Cross multiply
    76,089.47x = 114,158.51 × 36,650.57
  4. Step 4: Simplify right side
    76,089.47x = 4,183,974,278.60
  5. Step 5: Solve for x
    x = 4,183,974,278.60/76,089.47
  6. Step 6: Final answer
    x = 54,987.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.